Naranjo DA, Aroche AR, Hernández M, Obregón Á, Aldama L

Language: Spanish
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ABSTRACT

Introduction: The SYNTAX study introduced the score of the same name in order to help the heart team to decide the way optimal revascularization in patients with complex coronary artery disease and left coronary trunk, just have been identified several limitations within them reproducibility in real clinical practice.
Objective: to determine the interobserver variability of the SYNTAX score in patients diagnosed with compelx coronary artery disease multivaso or left coronary trunk.
Methods: observational cross-analytical study. The study universe was made by 85 patients diagnosed of complex coronary artery disease for 2016 in the CIMEQ Hospital. The sample was selected by simple random sampling made 30 patients. Took part 3 interventional cardiologists which reproduced the SYNTAX score of individually. Was used Kappa Fleiss index to determine the interobserver variability of the following variables: number of lesions, severe calcification, length of injury over 20 mm, bifurcation / trifurcation, diffuse disease or small vessel, total occlusions and global SYNTAX score.
Results: was obtained an Kappa index 0.69 for the overall score and 0.82, 0.60 and 0.94 for the variables number of lesions, bifurcation/trifurcation and total occlusions respectively. There as more variability in the range rating 23-32 points.
Conclusions: the SYNTAX score presented a good interobserver reproducibility. Variables greater dispersion were the presence of severe calcification severe, length of lesions greater than 20 mm and diffuse disease or small vessel.